MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. No scripts were extracted from this sample, but the overall structure and heuristic firings strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://beergolfers.com/blog/images/file/jorurogevusi.pdf In PDF document text
- https://damiel.eu/userfiles/file/62884069264.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/begigugagamutejanazazesa.pdfIn PDF document text
- http://potlista.com/file/files/4568287406.pdfIn PDF document text
- http://first-group.kr/ckupload/files/woledid.pdfIn PDF document text
- http://chatfieldfarms101.com/userimages/96536821709.pdfIn PDF document text
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/kaboninuzisuwinu.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/861556858.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eab92f2b03---kerixurejawubujikiso.pdfIn PDF document text
- https://mashura.co/userfiles/files/webedotigifegetizanizo.pdfIn PDF document text
- https://coevent.ru/upload/files/didin.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/vanoxewowoxo.pdfIn PDF document text
- https://edex.co/userfiles/files/xikomaridemolixedamarome.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306926a5778---zizasenuxufarekovanazot.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/39625702565.pdfIn PDF document text
- http://checopharma.com/upload/files/90006483115.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/kowudofiwixawikenov.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/55443385307.pdfIn PDF document text
- https://iword.de/userfiles/file/69950351021.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/julazuvizinumogeri.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/61710203746.pdfIn PDF document text
- http://ng-sons.com/userfiles/file/nizizozapebifutijakam.pdfIn PDF document text
- http://forter.vn/hinhanh/file/22722125910.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=android+game+developer+jobPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEE | 18116 bytes |
SHA-256: 910290e2444fa206ff4ef3a77e67083a5f896bfe440b8531ec57c97061e69328 |
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font_01_sfnt_off00010abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122D4 | 10784 bytes |
SHA-256: 1cc3c8b9905b90405b155d2435558a8f060a6f8df4c9943762332dbfba877e86 |
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